Daikin REYQ72 Serveice Manual page 271

G
Gauge manifold for R-410A ................................. 251
H
How to Enter the Service Mode ........................... 120
I
Improper Combination of Indoor Units and Outdoor
Units/Indoor Units and Remote Controller .... 187
Individual setting .................................................. 121
Indoor Unit
Malfunction of Moving Part of Electronic
Expansion Valve (20E) ..................... 134
Inverter Compressor Abnormal ........................... 166
Inverter Current Abnormal ................................... 167
Inverter Over-Ripple Protection ........................... 171
Inverter Start up Error .......................................... 168
L
Leak tester ........................................................... 251
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure .............. 174
M
Malfunction hysteresis display ............................. 121
Malfunction of Capacity Determination Device .... 137
Malfunction of Discharge Pipe
Pressure Sensor ........................................... 163
Malfunction of Discharge Pipe Thermistor
(R31~32T) .................................................... 156
Malfunction of Drain Level Control System
(S1L) ............................................................. 129
Malfunction of Inverter Radiating Fin
Temperature Rise ......................................... 165
Malfunction of Inverter Radiating Fin
Temperature Rise Sensor ............................ 172
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y2E, Y3E) ................................. 149
Malfunction of Receiver Outlet Liquid Pipe Thermistor
(R6T) ............................................................ 160
Malfunction of Suction Pipe Pressure Sensor ..... 164
Malfunction of Swing Flap Motor (MA) ................ 132
Malfunction of Thermistor (R1T) for
Suction Air .................................................... 140
Malfunction of Thermistor (R2T) for
Heat Exchanger ............................................ 138
Malfunction of Thermistor (R2T) for
Suction Pipe ................................................. 158
Malfunction of Thermistor (R31T, R32T) for
Gas Pipes ..................................................... 139
Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger ...................... 159
Malfunction of Thermostat Sensor in Remote
Controller ...................................................... 141
Malfunction of Transmission between Inverter and
Control PC Board ......................................... 169
vi
Method of Replacing The Inverter's Power Transistors
and Diode Modules ....................................... 242
Diode Module ................................................ 243
Power Transistor IGBT
(On Inverter PC Board) .................... 243
O
Operation Lamp Blinks ........................................ 206
Outdoor Unit PC Board Layout .............................. 78
P
PC Board Defect ..................................128
Piping Diagrams .................................................. 218
BS Unit .......................................................... 221
Indoor Unit ..................................................... 219
Outdoor Unit .................................................. 218
Pressure Sensor .................................................. 241
Procedure and Outline ........................................... 74
R
Refrigerant Circuit .................................................. 26
BSVQ36, 60M ................................................. 28
REYQ72M, 96M .............................................. 27
Refrigerant Flow for Each Operation Mode ........... 31
Refrigerant oil ...................................................... 251
Remote Controller Self-Diagnosis Function ........ 122
Replacement Procedure for INV Compressor, VRV
(REYQ72M, 96M) ......................................... 216
S
Self-diagnosis by Wired Remote Controller ......... 115
Setting of Air Flow Direction Adjustment Range .... 85
Setting of Demand Operation .............................. 102
Image of operation in the case of A .............. 103
Image of operation in the case of A and B .... 103
Image of operation in the case of B .............. 103
Setting of Low Noise Operation ........................... 100
Image of operation in the case of A .............. 101
Image of operation in the case of A, B .......... 101
Image of operation in the case of B .............. 101
Simplified Remote Controller ................................. 81
BRC2A71 ........................................................ 81
T
Test Operation ....................................................... 74
Check Operation ............................................. 75
Check Work Prior to Turn Power Supply On ... 74
Turn power On ................................................ 74
Thermostat Sensor in Remote Controller
Cooling ............................................................ 70
Heating ............................................................ 71
Torque wrench ..................................................... 250
U
Unit No. transfer .................................................. 121
SiUS39-602
, ,
142 201
Drawings & Flow Charts